Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Engine Control
Model Year: 2008 Model: Sequoia Doc ID: RM00000329200BX
Title: 2UZ-FE ENGINE CONTROL: ECM: REMOVAL (2008 Sequoia)

REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

Some systems need to be initialized after the cable is reconnected INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION (2008 Sequoia) .

2. REMOVE THROTTLE BODY COVER SUB-ASSEMBLY 2UZ-FE ENGINE CONTROL: THROTTLE BODY: REMOVAL (2008 Sequoia)+

3. REMOVE AIR CLEANER HOSE ASSEMBLY 2UZ-FE ENGINE CONTROL: THROTTLE BODY: REMOVAL (2008 Sequoia)+

4. REMOVE AIR CLEANER ASSEMBLY

(a) Disconnect the clamp and mass air flow meter connector.

(b) Remove the 2 bolts and remove the air cleaner assembly.

5. DISCONNECT CONNECTOR HOLDER BLOCK

(a) Remove the 3 bolts and disconnect the connector holder block.

6. REMOVE ECM

(a) Disconnect the wire harness clamp.

(b) Raise the 2 levers while pushing the locks on the 2 levers.

NOTICE:

Make sure that the lock lever is raised 90° as shown in the illustration before disconnecting the connectors. Failure to do this may cause the connectors to break.

(c) Disconnect the 2 connectors.

(d) Remove the 4 bolts and ECM.

7. REMOVE GASKET

(a) Peel off the rubber part of the gasket.

(b) Spray gasket remover or equivalent on the remaining tape of the gasket.

NOTICE:

When using gasket remover or equivalent, cover the ECM connector with a cloth.

(c) Use a cutter knife to remove the tape of the gasket.

NOTICE:

Do not damage the ECM seal's surface with the knife.